If the built-in tool fails, download The Unarchiver from the App Store, which handles a wider variety of archive types. How to open a .7z file - Microsoft Q&A
Visit the official 7-Zip website to download and install the free, open-source tool. SS_Taso-013.7z
Right-click the file, hover over "7-Zip," and select "Extract Here" to unpack it in the current folder, or "Extract to 'SS_Taso-013'" to create a new folder for the contents. If the built-in tool fails, download The Unarchiver
"SS_Taso-013.7z" is a compressed archive file using the 7-Zip format. To access its contents, you need to extract it using specialized software, as most standard operating systems do not have native support for this specific extension. How to Extract "SS_Taso-013.7z" If the built-in tool fails